Home / 7,211,995.20-10,817,992.80-6,893,130.60

Finding the Fourth Proportional to 7,211,995.20, 10,817,992.80 and 6,893,130.60

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Solution

The fourth proportional to 7,211,995.20, 10,817,992.80 and 6,893,130.60 is: 10,339,695.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,995.20 : 10,817,992.80 = 6,893,130.60 : x
  2. Step 2: Convert to fraction form
    7,211,995.20/10,817,992.80 = 6,893,130.60/x
  3. Step 3: Cross multiply
    7,211,995.20x = 10,817,992.80 × 6,893,130.60
  4. Step 4: Simplify right side
    7,211,995.20x = 74,569,837,200,259.69
  5. Step 5: Solve for x
    x = 74,569,837,200,259.69/7,211,995.20
  6. Step 6: Final answer
    x = 10,339,695.90

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.